EP 3377697 A4 20190515 - POLYURETHANE ROLL COVER FOR CALENDER ROLL FOR PAPERMAKING MACHINE
Title (en)
POLYURETHANE ROLL COVER FOR CALENDER ROLL FOR PAPERMAKING MACHINE
Title (de)
WALZENABDECKUNG AUS POLYURETHAN FÜR KALANDERWALZE FÜR PAPIERMASCHINEN
Title (fr)
REVÊTEMENT DE ROULEAU EN POLYURÉTHANE POUR ROULEAU DE CALANDRE POUR MACHINE À PAPIER
Publication
Application
Priority
- US 201562256312 P 20151117
- US 2016059815 W 20161101
Abstract (en)
[origin: US2017137998A1] A calender roll for a papermaking machine includes: a substantially cylindrical core; and a cover circumferentially surrounding the core. The cover comprises a base layer circumferentially overlying the core; and a topstock layer comprising polyurethane circumferentially overlying the base layer, the topstock layer being fiber reinforced, the polyurethane having a glass transition temperature of between about 120 and 150° C., the topstock layer having a hardness of 70 to 90 ShD.
IPC 8 full level
D21G 1/02 (2006.01); C08J 5/04 (2006.01); C08L 75/04 (2006.01)
CPC (source: EP US)
B32B 1/08 (2013.01 - EP US); B32B 5/02 (2013.01 - US); B32B 7/12 (2013.01 - EP US); B32B 27/08 (2013.01 - EP US); B32B 27/20 (2013.01 - EP US); B32B 27/38 (2013.01 - EP US); B32B 27/40 (2013.01 - EP US); D21G 1/0233 (2013.01 - EP US); B32B 2262/0261 (2013.01 - EP US); B32B 2262/0269 (2013.01 - EP US); B32B 2262/0276 (2013.01 - EP US); B32B 2262/10 (2013.01 - EP US); B32B 2262/101 (2013.01 - EP US); B32B 2262/106 (2013.01 - EP US); B32B 2264/10 (2013.01 - EP US); B32B 2264/102 (2013.01 - EP US); B32B 2264/104 (2013.01 - EP US); B32B 2264/105 (2013.01 - EP US); B32B 2307/54 (2013.01 - EP US); B32B 2307/554 (2013.01 - EP US); B32B 2307/558 (2013.01 - EP US)
Citation (search report)
- [I] US 2013312926 A1 20131128 - SHIEH YANG [US]
- [I] WO 2010003460 A1 20100114 - METSO PAPER INC [FI], et al
- [A] WO 03056195 A1 20030710 - YAMAUCHI CORP [JP], et al
- [A] US 2010190624 A1 20100729 - WOKUREK MICHAEL [AT], et al
- [A] US 8647475 B2 20140211 - TURUNEN JANI [FI]
- [A] US 6375602 B1 20020423 - JONES LISA [US]
- See references of WO 2017087152A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
US 10384428 B2 20190820; US 2017137998 A1 20170518; AU 2016357211 A1 20180222; AU 2016357211 B2 20191003; CA 2995504 A1 20170526; CA 2995504 C 20200114; CL 2018001318 A1 20181214; CN 108350658 A 20180731; CN 108350658 B 20210212; EP 3377697 A1 20180926; EP 3377697 A4 20190515; JP 2018533676 A 20181115; JP 6726277 B2 20200722; MX 2018002285 A 20180528; US 2017137997 A1 20170518; WO 2017087152 A1 20170526
DOCDB simple family (application)
US 201615349259 A 20161111; AU 2016357211 A 20161101; CA 2995504 A 20161101; CL 2018001318 A 20180516; CN 201680048973 A 20161101; EP 16866842 A 20161101; JP 2018519687 A 20161101; MX 2018002285 A 20161101; US 2016059815 W 20161101; US 201615339977 A 20161101